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Digital DX News from VK 9 March 2003

FSK441 2 METRES Welcome to Rod, VK4KZR, who joined the group this weekend. Stations on this weekend were VK2FZ, VK2AWD, VK2AKR, VK3AXH, VK3KAI, VK4KZR, VK4TZL

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, Mar 8, 2003

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FSK441 2 METRES

Welcome to Rod, VK4KZR, who joined the group this
weekend. Stations on thisweekend were VK2FZ, VK2AWD, VK2AKR, VK3AXH,
VK3KAI, VK4KZR, VK4TZL and VK7MO. VK2LRR, VK7KRW, VK7IR, VK7KRJ have been
listening in and copyingsegments of FSK441.

Next weekend will be Type
A on Saturday and Type B on Sunday to give theVK2s the opportunity of
beaming North to VK4KZR.

JT44 TERRESTRIAL

Tests continue each
weekday morning (0700 to 0715 and 0745 to 0815 local) on144.225 between VK7
and VK3. Stations involved include VK3AXH, VK3CY,VK3HY, VK3HZ, VK2LRR,
VK3AUU and VK7MO. Anyone else who would like to beincluded in a sked at a
specific time please let me know.

JT44 TERRESTRIAL REPORTING

A
number of stations have been experimenting with a different way ofreporting
on terrestrial JT44. The standard method included in the programis
based on exchanging both call signs and grid locators which are theunknown
information. In practice grid locators are usually known so we
havebeen experimenting with exchanging signal reports in -dB. Thus if
thestrongest signal seen to the time of sending a report is say -18 dB
onewould send 1818. We are also using PPPP to indicate the partial
receptionof a signal as well as RRRR to indicate full reception of both call
signsand reports. Thus the form of a QSO is as follows:

VK3AXH,
VK3KAI and VK2FLR have been experimenting with the new digital modeJT6M on
two meters to look at its ability to handle aircraft enhancement -to date
these tests have not produced results. VK3AXH, VK2AWD, VK2AKR andVK7MO
have done some tests on 6 meters - while it is early days the modeseems to
have lots of potential and it certainly sounds nice to listen to.

73 Rex,
VK7MO

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